CN219885282U - Cutting device of ink-jet rotary printing machine - Google Patents
Cutting device of ink-jet rotary printing machine Download PDFInfo
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- CN219885282U CN219885282U CN202321714640.XU CN202321714640U CN219885282U CN 219885282 U CN219885282 U CN 219885282U CN 202321714640 U CN202321714640 U CN 202321714640U CN 219885282 U CN219885282 U CN 219885282U
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- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 210000002421 cell wall Anatomy 0.000 claims 1
- 238000003754 machining Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
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Abstract
The utility model provides a cutting device of an inkjet rotary printing machine, which comprises a device body frame, wherein the front end of the device body frame is connected with a movable body frame in a sliding manner, the bottom of the movable body frame is provided with an eccentric wheel mechanism, the front end of the device body frame is fixedly provided with a driving mechanism, the driving mechanism is in driving connection with the eccentric wheel mechanism, the movable body frame is provided with a middle cutter mechanism, the device body frame is provided with a transverse cutter mechanism, and the left side and the right side of the movable body frame are respectively provided with an offset sensor. The movable body frame is connected to the device body frame in a sliding manner, the eccentric wheel mechanism is driven by the driving mechanism to make reciprocating motion, so that the movable body frame makes reciprocating motion relative to the device body frame, the reciprocating motion direction of the movable body frame is perpendicular to the paper direction, the offset of the paper is detected through the offset sensor, and the reciprocating speed of the movable body frame is controlled in real time, so that the paper can be rectified before the transverse cutter mechanism, the occurrence of oblique cuts is avoided, and the cutting quality is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of printing machine cutting equipment, and particularly relates to a cutting device of an inkjet rotary printing machine.
Background
The high-speed ink-jet rotary press consists of a paper feeding part, a high-speed ink-jet digital printing unit, a paper buffering unit and a cutting mechanism, wherein the cutting mechanism comprises a middle cutter unit for controlling the width of finished paper and a transverse cutter unit for controlling the length of the finished paper.
And a paper pressing wheel is arranged between the middle cutter unit and the transverse cutter unit and used for uniformly fixing the paper after primary cutting and conveying the paper for secondary cutting of the transverse cutter unit by matching with the driving roller. After long-time operation, the paper pressing wheels wear out due to the outer surface, so that the pressure of paper is changed in the paper pressing wheel rotating process, the pressures of the paper pressing wheels on the two sides are inconsistent, the transmission speeds on the two sides of the paper are inconsistent, and finally the paper is out of control and is deflected. Because the paper moves at a high speed, the transverse cutter unit cuts vertically, once the paper is inclined, the paper cannot be cut according to the set line, and an oblique incision appears, so that an error occurs in cutting.
Therefore, there is a need for an improved cutting mechanism for high speed inkjet rotary printers.
Disclosure of Invention
In view of the drawbacks noted in the background art, an object of the present utility model is to provide a cutting device for an inkjet rotary printing machine.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
the utility model provides an inkjet rotary press cutting device, includes the device body frame, device body frame front end is connected with the movable body frame through slide rail assembly, the driving roller has been arranged to movable body frame and device body frame upper strata, eccentric wheel mechanism is installed to movable body frame bottom, device body frame front end fixed mounting has actuating mechanism, actuating mechanism and eccentric wheel mechanism drive connection, be provided with well sword mechanism on the movable body frame, be provided with horizontal sword mechanism on the device body frame, movable body frame left and right sides is provided with offset sensor respectively, offset sensor is located between horizontal sword mechanism and the well sword mechanism, well sword mechanism is located same machined surface with horizontal sword mechanism.
As a preferred technical scheme, horizontal knife mechanism is including rotating circle roller and blade holder, rotate the circle roller and rotate and connect on the device body frame, rotate the circle roller body and seted up two sets of standing grooves, two sets of the standing groove rotational symmetry, the quantity of blade holder is two sets of and installs in corresponding standing groove through elastic connection piece respectively, every equal fixed mounting has the crosscut blade on the blade holder.
As a preferable technical scheme, a mounting groove is formed in one groove wall of the placing groove, and the elastic connecting piece is fixed in the mounting groove.
As a preferred technical scheme, the elastic connecting piece comprises a U-shaped seat fixedly installed in an installation groove, a movable seat is arranged in a U-shaped groove of the U-shaped seat, a cutter holder is fixedly installed on the movable seat, pressing plates are fixedly installed on two sides of the U-shaped seat respectively, the movable seat is limited in a U-shaped sliding cavity formed by the U-shaped groove and the pressing plates through two groups of pressing plates, a round hole right opposite to the movable seat is formed in the other groove wall of the placing groove, a spring is arranged in the round hole, and the spring abuts against the space between the bottom of the round hole and the movable seat.
As a preferable technical scheme, limiting blocks are respectively arranged on two side walls of the U-shaped groove.
As a preferable technical scheme, the end face of the movable seat is fixedly provided with a guide post pointing to the round hole, and the spring is sleeved on the guide post.
After the technical scheme is adopted, the utility model has the beneficial effects that:
the movable body frame is connected to the device body frame in a sliding manner, the eccentric wheel mechanism is driven by the driving mechanism to make reciprocating motion, so that the movable body frame makes reciprocating motion relative to the device body frame, the reciprocating motion direction of the movable body frame is perpendicular to the paper direction, the offset of the paper is detected through the offset sensor, and the reciprocating speed of the movable body frame is controlled in real time, so that the paper can be rectified before the transverse cutter mechanism, the occurrence of oblique cuts is avoided, and the cutting quality is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a cross knife mechanism;
FIG. 3 is a schematic view of the installation of an elastic connector;
FIG. 4 is a schematic view of the structure of the elastic connector;
FIG. 5 is a cross-sectional view of the cross-knife mechanism;
in the figure: 1. the device comprises a device body frame, 2, a movable body frame, 3, a sliding rail component, 4, an eccentric wheel mechanism, 5, a driving mechanism, 6, a middle cutter mechanism, 7, a transverse cutter mechanism, 8, an offset sensor, 9, a rotary round roller, 10, a placing groove, 11, an elastic connecting piece, 12, a cutter holder, 13, a transverse cutter, 14, an installation groove, 15, a round hole, 16, a U-shaped seat, 17, a limiting block, 18, a movable seat, 19, a guide post, 20, a pressing plate, 21 and a spring.
Detailed Description
Features and exemplary embodiments of various aspects of the present utility model will be described in detail below, and in order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the specific embodiments described herein are merely configured to illustrate the utility model and are not configured to limit the utility model. It will be apparent to one skilled in the art that the present utility model may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the utility model by showing examples of the utility model.
The directional terms appearing in the following description are those directions shown in the drawings and do not limit the specific structure of the utility model. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to fig. 1 to 5.
The embodiment provides a cutting device of an inkjet rotary press, which comprises a device body frame 1 and a movable body frame 2. The movable body frame 2 is movably arranged at the front end of the device body frame 1 through a sliding rail component 3, and driving rollers are uniformly distributed on the movable body frame 2 and the device body frame 1 so as to facilitate the transportation of paper. An eccentric wheel mechanism 4 is arranged at the bottom of the movable body frame 2, a driving mechanism 5 is fixedly arranged at the front end of the device body frame 1, and the driving mechanism 5 is in driving connection with the eccentric wheel mechanism 4. The eccentric wheel mechanism 4 drives the movable body frame 2 to reciprocate under the drive of the driving mechanism 5, and the moving direction of the movable body frame 2 is perpendicular to the direction of paper.
The movable body frame 2 is provided with a middle cutter mechanism 6, the device body frame 1 is provided with a transverse cutter mechanism 7, and the middle cutter mechanism 6 and the transverse cutter mechanism 7 are positioned on the same processing surface. Offset sensors 8 are respectively arranged on the left side and the right side of the movable body frame 2, and the offset sensors 8 are positioned between the transverse cutter mechanism 7 and the middle cutter mechanism 6. Offset sensors 8 are provided on both sides of the sheet to monitor the amount of offset of the sheet in real time. When the offset exceeds a preset value, the driving mechanism 5 is started, and the movable body frame 2 is pushed to move in the opposite direction of paper deflection by the eccentric wheel mechanism 4, so that the paper is corrected before the transverse cutter mechanism 7, the occurrence of oblique cuts is avoided, and the cutting quality is ensured.
The transverse knife mechanism 7 comprises a rotary round roller 9 and a knife holder 12. The rotary round roller 9 is rotationally connected to the device body frame 1, two groups of placing grooves 10 are formed in the roller body of the rotary round roller 9, and the two groups of placing grooves 10 are rotationally symmetrical. The number of the tool holders 12 is two, and the tool holders 12 are movably arranged in the corresponding placing grooves 10 through elastic connecting pieces 11, and each tool holder 12 is fixedly provided with a transverse cutting blade 13. A mounting groove 14 is formed in one groove wall of the placement groove 10, and the elastic connecting piece 11 is fixed in the mounting groove 14.
The elastic connecting piece 11 comprises a U-shaped seat 16 fixedly arranged in the mounting groove 14, a movable seat 18 is arranged in the U-shaped groove of the U-shaped seat 16, and the cutter holder 12 is fixedly arranged on the movable seat 18. The two sides of the U-shaped seat 16 are respectively fixedly provided with a pressing plate 20, and the movable seat 18 is limited in a U-shaped sliding cavity formed by the U-shaped groove and the pressing plates 20 through two groups of pressing plates 20. Limiting blocks 17 are respectively arranged on two side walls of the U-shaped groove to limit the lower limit of the movable seat 18 and prevent slipping. The other groove wall of the placing groove 10 is provided with a round hole 15 which is opposite to the movable seat 18, and the end surface of the movable seat 18 is fixedly provided with a guide post 19 which points to the round hole 15. A spring 21 is arranged in the round hole 15, the spring 21 is sleeved on the guide post 19, and the spring 21 is propped between the bottom of the round hole 15 and the movable seat 18. The spring 21 provides a counter-supporting force to the crosscutting blade 13, avoiding rigid contact between the crosscutting blade 13 and the driving rollers, conveyor belt, etc. at the bottom of the sheet.
The offset sensors 8 are arranged on two sides of the paper, when the offset of the paper exceeds a preset value, the driving mechanism 5 is started, and the movable body frame 2 is pushed to move in the opposite direction of paper deflection by the eccentric wheel mechanism 4, so that the paper is rectified before the transverse cutter mechanism 7. The rotary round roller 9 is driven by an external motor to rotate, and the cutting frequency of the transverse cutting blade 13 is controlled by controlling the rotation speed of the rotary round roller 9 so as to cut the paper according to the length of the paper.
In accordance with the above embodiments of the utility model, these embodiments are not exhaustive of all details, nor are they intended to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model and various modifications as are suited to the particular use contemplated. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides an inkjet rotary press cutting device, includes device body frame (1), its characterized in that: the device is characterized in that the front end of the device body frame (1) is connected with a movable body frame (2) through a sliding rail assembly (3), driving rollers are uniformly distributed on the movable body frame (2) and the device body frame (1), an eccentric wheel mechanism (4) is installed at the bottom of the movable body frame (2), a driving mechanism (5) is fixedly arranged at the front end of the device body frame (1), the driving mechanism (5) is in driving connection with the eccentric wheel mechanism (4), a middle cutter mechanism (6) is arranged on the movable body frame (2), a transverse cutter mechanism (7) is arranged on the device body frame (1), offset sensors (8) are respectively arranged on the left side and the right side of the movable body frame (2), and the offset sensors (8) are located between the transverse cutter mechanism (7) and the middle cutter mechanism (6), and the middle cutter mechanism (6) and the transverse cutter mechanism (7) are located on the same machining surface.
2. The inkjet rotary press cutting apparatus of claim 1, wherein: the utility model provides a horizontal knife mechanism (7) is including rotating circle roller (9) and blade holder (12), rotate circle roller (9) rotation and connect on device body frame (1), rotate circle roller (9) roll body and seted up two sets of standing grooves (10), two sets of standing groove (10) rotational symmetry, the quantity of blade holder (12) is two sets of and installs in corresponding standing groove (10) through elastic connection piece (11) respectively, every equal fixed mounting has transverse knife piece (13) on blade holder (12).
3. A cutting device for an inkjet rotary press according to claim 2, wherein: a mounting groove (14) is formed in one groove wall of the placing groove (10), and the elastic connecting piece (11) is fixed in the mounting groove (14).
4. A cutting device for an inkjet rotary printing machine according to claim 3 wherein: elastic connection spare (11) are including fixed mounting U type seat (16) in mounting groove (14), set up a movable seat (18) in the U type inslot of U type seat (16), blade holder (12) fixed mounting is to movable seat (18), fixed mounting has clamp plate (20) respectively in U type seat (16) both sides, movable seat (18) restrict in the U type smooth intracavity that U type groove and clamp plate (20) formed through two sets of clamp plates (20), round hole (15) just to movable seat (18) are seted up to another cell wall of standing groove (10), set up a spring (21) in round hole (15), spring (21) support between round hole (15) hole bottom and movable seat (18).
5. The cutting apparatus of an inkjet rotary press according to claim 4, wherein: limiting blocks (17) are respectively arranged on two side walls of the U-shaped groove.
6. The cutting apparatus of an inkjet rotary press according to claim 4, wherein: the end face of the movable seat (18) is fixedly provided with a guide post (19) pointing to the round hole (15), and the spring (21) is sleeved on the guide post (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321714640.XU CN219885282U (en) | 2023-07-03 | 2023-07-03 | Cutting device of ink-jet rotary printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321714640.XU CN219885282U (en) | 2023-07-03 | 2023-07-03 | Cutting device of ink-jet rotary printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219885282U true CN219885282U (en) | 2023-10-24 |
Family
ID=88402060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321714640.XU Active CN219885282U (en) | 2023-07-03 | 2023-07-03 | Cutting device of ink-jet rotary printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219885282U (en) |
-
2023
- 2023-07-03 CN CN202321714640.XU patent/CN219885282U/en active Active
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